| Base | Representation |
|---|---|
| bin | 10000101101101… |
| … | …11100000010000 |
| 3 | 100202211112000221 |
| 4 | 20112313200100 |
| 5 | 241343242430 |
| 6 | 21525122424 |
| 7 | 3321533020 |
| oct | 1026674020 |
| 9 | 322745027 |
| 10 | 140212240 |
| 11 | 72167593 |
| 12 | 3ab59414 |
| 13 | 23082b2c |
| 14 | 1489ba80 |
| 15 | c49957a |
| hex | 85b7810 |
140212240 has 160 divisors (see below), whose sum is σ = 392189184. Its totient is φ = 45619200.
The previous prime is 140212217. The next prime is 140212249. The reversal of 140212240 is 42212041.
140212240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (140212249) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1388190 + ... + 1388290.
Almost surely, 2140212240 is an apocalyptic number.
140212240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 140212240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196094592).
140212240 is an abundant number, since it is smaller than the sum of its proper divisors (251976944).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140212240 is a wasteful number, since it uses less digits than its factorization.
140212240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 225 (or 219 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 16.
The square root of 140212240 is about 11841.1249465581. The cubic root of 140212240 is about 519.5116717355.
Adding to 140212240 its reverse (42212041), we get a palindrome (182424281).
It can be divided in two parts, 14021 and 2240, that added together give a palindrome (16261).
The spelling of 140212240 in words is "one hundred forty million, two hundred twelve thousand, two hundred forty".
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